Home / 648,834.98-888,889.14-624,576.42

Finding the Fourth Proportional to 648,834.98, 888,889.14 and 624,576.42

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Solution

The fourth proportional to 648,834.98, 888,889.14 and 624,576.42 is: 855,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,834.98 : 888,889.14 = 624,576.42 : x
  2. Step 2: Convert to fraction form
    648,834.98/888,889.14 = 624,576.42/x
  3. Step 3: Cross multiply
    648,834.98x = 888,889.14 × 624,576.42
  4. Step 4: Simplify right side
    648,834.98x = 555,179,196,838.08
  5. Step 5: Solve for x
    x = 555,179,196,838.08/648,834.98
  6. Step 6: Final answer
    x = 855,655.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.